SUBTITLE C: WATER POLLUTION
CHAPTER II: ENVIRONMENTAL PROTECTION AGENCY
PART 370 ILLINOIS RECOMMENDED STANDARDS FOR SEWAGE WORKS
SECTION 370.APPENDIX C TABLE NO. 3 – AIR TEST TABLE FOR SANITARY SEWER LEAKAGE TESTING*
Section 370.APPENDIX C Table No. 3 – Air Test Table for Sanitary Sewer Leakage Testing*
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SPECIFICATION TIME (MIN:SEC) REQUIRED FOR PRESSURE DROP FROM 3½ TO 2½ PSIG WHEN TESTING ONE PIPE DIAMETER ONLY |
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|
Length of Sewer Pipe In Feet |
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PIPE DIAMETER, INCHES |
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|
4 |
6 |
8 |
10 |
12 |
15 |
18 |
21 |
24 |
|
|
25 |
0:04 |
0:10 |
0:28 |
0:28 |
0:40 |
1:02 |
1:29 |
2:01 |
2:38 |
|
50 |
0:09 |
0:20 |
0:35 |
0:55 |
1:19 |
2:04 |
2:58 |
4:03 |
5:17 |
|
75 |
0:13 |
0:30 |
0:53 |
1:23 |
1:59 |
3:06 |
4:27 |
6:04 |
7:55 |
|
100 |
0:18 |
0:40 |
1:10 |
1:50 |
2:38 |
4:08 |
5:56 |
8:05 |
10:34 |
|
125 |
0:22 |
0:50 |
1:28 |
2:18 |
3:18 |
5:09 |
7:26 |
9:55 |
11:20 |
|
150 |
0:26 |
0:59 |
1:46 |
2:45 |
3:58 |
6:11 |
8:30 |
|
|
|
175 |
0:31 |
1:09 |
2:03 |
3:13 |
4:37 |
7:05 |
|
|
|
|
200 |
0:35 |
1:19 |
2:21 |
3:40 |
5:17 |
|
|
|
12:06 |
|
225 |
0:40 |
1:29 |
2:38 |
4:08 |
5:40 |
|
|
10:25 |
13:36 |
|
250 |
0:44 |
1:39 |
2:56 |
4:35 |
|
|
8:31 |
11:35 |
15:07 |
|
275 |
0:48 |
1:49 |
3:14 |
4:43 |
|
|
9:21 |
12:44 |
16:38 |
|
300 |
0:53 |
1:59 |
3:31 |
|
|
|
10:12 |
13:53 |
18:09 |
|
350 |
1:02 |
2:19 |
3:47 |
|
|
8:16 |
11:54 |
16:12 |
21.10 |
|
400 |
1:10 |
2:38 |
|
|
6:03 |
9:27 |
13:36 |
18:31 |
24:12 |
|
450 |
1:19 |
2:50 |
|
|
6:48 |
10:38 |
15:19 |
20:50 |
27:13 |
|
500 |
1:28 |
|
|
5:14 |
7:34 |
11:49 |
17:01 |
23:09 |
30:14 |
*From Standard Specifications for Water and Sewer Main Construction in Illinois, Fourth Edition, May, 1986. (Copies may be obtained from Illinois Society of Professional Engineers, Springfield, Illinois 62704.)
(Source: Amended at 21 Ill. Reg. 12444, effective August 28, 1997)